Rtcl is a Tcl extension for executing code in the R [L1 ] programming language. R is a free version of Bell Labs' S language for statistical computing. Rtcl embeds an R interpreter into Tcl, and allows access to it via Tcl commands. The latest version of Rtcl is available from
https://github.com/mattadams/Rtcl
Rtcl was originally written by Neil McKay. His last published version is available from
http://www.eecs.umich.edu/~mckay/computer/Rtcl0.3.tar.gz